Wenting Lan, Dawei Dong, Minghua Zhang, Yafei Xiao, Zhixin Zhao, Zhaojie Yang, Ya Cao, Minmin Fan
{"title":"原位聚合将聚合物基体填充到季铵化支化聚乙烯亚胺@纤维素气凝胶中制备致密阴离子交换膜","authors":"Wenting Lan, Dawei Dong, Minghua Zhang, Yafei Xiao, Zhixin Zhao, Zhaojie Yang, Ya Cao, Minmin Fan","doi":"10.1080/10601325.2023.2257758","DOIUrl":null,"url":null,"abstract":"AbstractIn order to construct interconnected three-dimensional ion transport structures within anion exchange membranes (AEMs), we proposed the idea of preparing AEMs by filling the aerogel three-dimensional network skeleton by in-situ polymerization. First, quaternized branched polyethyleneimine (QBPEI) with a large number of quaternary ammonium groups was cross-linked with cellulose to construct an aerogel with a three-dimensional network. Then, poly(4-vinylbenzyl chloride) (PVBC) was filled into the aerogel network through in-situ polymerization. Finally, dense AEMs with internal three-dimensional ion transport networks were prepared by hot pressing PVBC/QBPEI@cellulose. The prepared AEMs have low ion exchange capacity (IEC) values and high ionic conductivities, with the membrane with the best overall performance (IEC value of 1.58 meq./g) having a maximum hydroxide conductivity of 38.88 mS/cm at 80 °C. In addition, the optimized membrane has good chemical and dimensional stability, and the maximum power density of the fuel cell assembled based on it is 46.32 mW/cm2. Although the performance of the prepared composite membranes needs to be further improved due to the preparation process, the design idea in this work provides a feasible solution for the construction of continuous ion fast transport channels in AEMs.Keywords: anion exchange membranequaternized branched polyethyleneiminecellulose aerogelhot pressingpoly(4-vinylbenzyl chloride) Associated contentSupporting information is available free of charge.Author contributionsWenting Lan: Data curation, Writing- Original draft preparation; Dawei Dong: Writing- Reviewing and Editing; Minghua Zhang: Methodology and Software; Yafei Xiao: Conceptualization and Methodology; Zhixin Zhao: Visualization, Investigation; Zhaojie Yang: Software and Validation; Ya Cao: Supervision and Data curation; Minmin Fan: Writing- Reviewing and Editing.Disclosure statementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis work was financially supported by the National Natural Science Foundation of China [No. 51803136], Sichuan Science and Technology Program [No. 2021YFG0245] and the Fundamental Research Funds for the Central Universities [No. 2022SCUH0001].","PeriodicalId":50159,"journal":{"name":"Journal of Macromolecular Science Part A-Pure and Applied Chemistry","volume":null,"pages":null},"PeriodicalIF":2.1000,"publicationDate":"2023-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Fabrication of dense anion exchange membranes by filling polymer matrix into quaternized branched polyethyleneimine @cellulose aerogel through in-situ polymerization\",\"authors\":\"Wenting Lan, Dawei Dong, Minghua Zhang, Yafei Xiao, Zhixin Zhao, Zhaojie Yang, Ya Cao, Minmin Fan\",\"doi\":\"10.1080/10601325.2023.2257758\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"AbstractIn order to construct interconnected three-dimensional ion transport structures within anion exchange membranes (AEMs), we proposed the idea of preparing AEMs by filling the aerogel three-dimensional network skeleton by in-situ polymerization. First, quaternized branched polyethyleneimine (QBPEI) with a large number of quaternary ammonium groups was cross-linked with cellulose to construct an aerogel with a three-dimensional network. Then, poly(4-vinylbenzyl chloride) (PVBC) was filled into the aerogel network through in-situ polymerization. Finally, dense AEMs with internal three-dimensional ion transport networks were prepared by hot pressing PVBC/QBPEI@cellulose. The prepared AEMs have low ion exchange capacity (IEC) values and high ionic conductivities, with the membrane with the best overall performance (IEC value of 1.58 meq./g) having a maximum hydroxide conductivity of 38.88 mS/cm at 80 °C. In addition, the optimized membrane has good chemical and dimensional stability, and the maximum power density of the fuel cell assembled based on it is 46.32 mW/cm2. Although the performance of the prepared composite membranes needs to be further improved due to the preparation process, the design idea in this work provides a feasible solution for the construction of continuous ion fast transport channels in AEMs.Keywords: anion exchange membranequaternized branched polyethyleneiminecellulose aerogelhot pressingpoly(4-vinylbenzyl chloride) Associated contentSupporting information is available free of charge.Author contributionsWenting Lan: Data curation, Writing- Original draft preparation; Dawei Dong: Writing- Reviewing and Editing; Minghua Zhang: Methodology and Software; Yafei Xiao: Conceptualization and Methodology; Zhixin Zhao: Visualization, Investigation; Zhaojie Yang: Software and Validation; Ya Cao: Supervision and Data curation; Minmin Fan: Writing- Reviewing and Editing.Disclosure statementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis work was financially supported by the National Natural Science Foundation of China [No. 51803136], Sichuan Science and Technology Program [No. 2021YFG0245] and the Fundamental Research Funds for the Central Universities [No. 2022SCUH0001].\",\"PeriodicalId\":50159,\"journal\":{\"name\":\"Journal of Macromolecular Science Part A-Pure and Applied Chemistry\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.1000,\"publicationDate\":\"2023-09-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Macromolecular Science Part A-Pure and Applied Chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/10601325.2023.2257758\",\"RegionNum\":3,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"POLYMER SCIENCE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Macromolecular Science Part A-Pure and Applied Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/10601325.2023.2257758","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"POLYMER SCIENCE","Score":null,"Total":0}
Fabrication of dense anion exchange membranes by filling polymer matrix into quaternized branched polyethyleneimine @cellulose aerogel through in-situ polymerization
AbstractIn order to construct interconnected three-dimensional ion transport structures within anion exchange membranes (AEMs), we proposed the idea of preparing AEMs by filling the aerogel three-dimensional network skeleton by in-situ polymerization. First, quaternized branched polyethyleneimine (QBPEI) with a large number of quaternary ammonium groups was cross-linked with cellulose to construct an aerogel with a three-dimensional network. Then, poly(4-vinylbenzyl chloride) (PVBC) was filled into the aerogel network through in-situ polymerization. Finally, dense AEMs with internal three-dimensional ion transport networks were prepared by hot pressing PVBC/QBPEI@cellulose. The prepared AEMs have low ion exchange capacity (IEC) values and high ionic conductivities, with the membrane with the best overall performance (IEC value of 1.58 meq./g) having a maximum hydroxide conductivity of 38.88 mS/cm at 80 °C. In addition, the optimized membrane has good chemical and dimensional stability, and the maximum power density of the fuel cell assembled based on it is 46.32 mW/cm2. Although the performance of the prepared composite membranes needs to be further improved due to the preparation process, the design idea in this work provides a feasible solution for the construction of continuous ion fast transport channels in AEMs.Keywords: anion exchange membranequaternized branched polyethyleneiminecellulose aerogelhot pressingpoly(4-vinylbenzyl chloride) Associated contentSupporting information is available free of charge.Author contributionsWenting Lan: Data curation, Writing- Original draft preparation; Dawei Dong: Writing- Reviewing and Editing; Minghua Zhang: Methodology and Software; Yafei Xiao: Conceptualization and Methodology; Zhixin Zhao: Visualization, Investigation; Zhaojie Yang: Software and Validation; Ya Cao: Supervision and Data curation; Minmin Fan: Writing- Reviewing and Editing.Disclosure statementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis work was financially supported by the National Natural Science Foundation of China [No. 51803136], Sichuan Science and Technology Program [No. 2021YFG0245] and the Fundamental Research Funds for the Central Universities [No. 2022SCUH0001].
期刊介绍:
Journal of Macromolecular Science, Part A: Pure and Applied Chemistry (JMS-PAC) is a necessary resource for academic and industrial scientists and engineers whose interests center on both synthetic and naturally occurring polymers and their applications.